.TH deductionguidesforstd::reference_wrapper 3 "2024.06.10" "http://cppreference.com" "C++ Standard Libary"
.SH NAME
deductionguidesforstd::reference_wrapper \- deductionguidesforstd::reference_wrapper

.SH Synopsis
   Defined in header <functional>
   template< typename T >                            \fI(since C++17)\fP
   reference_wrapper( T& ) -> reference_wrapper<T>;

   One deduction guide is provided for std::reference_wrapper to support deduction of
   the sole class template parameter.

.SH Example

    This section is incomplete
    Reason: no example

   Defect reports

   The following behavior-changing defect reports were applied retroactively to
   previously published C++ standards.

      DR    Applied to           Behavior as published              Correct behavior
   LWG 2981 C++17      a redundant deduction guide from           removed
                       reference_wrapper<T> was provided
   LWG 2993 C++17      defect resolution removed a constructor    added deduction guide
                       used for class template argument deduction to compensate

.SH Category:
     * Todo no example
